As a result, they argue, there could be hundreds of these black holes in the outer reaches of the Milky Way halo.

因此，他们认为，可能有数以百计的这些黑洞在外层的银河系里。

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The absence of X would mean there's some other oddity out there throwing off the calculations—perhaps an unexpected distribution pattern of the halo of dark matter thought to surround the Milky Way.

如果X星系不存在，这将说明存在其他的问题导致这样的计算结果，也许是一个意料之外分布模式——这些暗物质本认为环绕着银河系分布。

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Omega Cen is the largest of 200 or so known globular clusters that roam the halo of our Milky Way galaxy.

半人马座是已知的漫游在我们银河系光环中的200多个星团中最大的。

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Moreover, they also point out that there should be a second signal from annihilating dark matter, in the form of gamma rays coming from the Milky Way's halo.

ECONOMIST: Two new ways to detect the elusive stuff of the universe

This suggests either that they are happening outside the Milky Way or that they occur in the spherical halo that surrounds its main disc.

ECONOMIST: Astronomy

For the past few years Dr Kuhlen and his colleagues have been working on a computer model of the halo of dark matter in which the Milky Way (the Earth's home galaxy) is thought to be embedded.

ECONOMIST: The search for dark matter: Ethereal yet weighty | The